Battery: Checking Electrolyte Level - Audi A8 2003 Maintenance Manual

Audi A8 2003 ➤
Maintenance - Edition 06.2014
3.10

Battery: checking electrolyte level

Battery is located behind the luggage compartment side trim
(right-side).
Note
Batteries must not be opened.
Battery without magic eye
Battery with magic eye
3.10.1 Battery without magic eye
Steps for removal:
– Unfasten clips -arrows- and take out luggage compartment
side trim.
Procedure:
– Check battery housing for the following:
♦ Battery terminals are not corroded or damaged
♦ Mechanical damage to battery housing and cover, indicated
by electrolyte leakage or crystals at the damaged area
– Damaged batteries must be renewed.
– Check electrolyte level of all battery cells using markings on
housing.
– If electrolyte level of one or more battery cells is below MIN
marking: Renew battery.
Install in reverse sequence.
Note
A bright hand-held light helps to better see the MIN and MAX
♦
markings on the housing.
If battery is difficult to see: Use a small mirror to check the
♦
electrolyte level (shine a bright hand-held light at a right angle
onto the battery cells).
3.10.2 Battery with magic eye
WARNING
Risk of explosion if magic eye is colourless or light yellow!
♦ Do not attempt to jump-start vehicle.
♦ Do not check or charge battery.
♦ Renew battery.
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3. Maintenance
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